三角形: triangle

三月, 3月: March

三人: three people

三男: third son; three men

賛意: assent / 三位: third rank / 三尉: second lieutenant

三葉機: triplane

画賛, 画讃: / 臥蚕: a silkworm that is resting in preparation for moulting

燐酸肥料: phosphate fertiliser

The hiragana syllable ひ (hi). Its equivalent in katakana is ヒ (hi). It is the twenty-seventh syllable in the gojūon order; its position is は行い段 (ha-gyō i-dan, “row ha, section i”).

(emphatic, before an adjective, non-productive) indeed, truly